If you've been following the video rental wars, you're no stranger to the 28 day window. It's the new standard wait time being implemented for Netflix and Redbox by companies looking to capitalize on sales. Long time holdout 20th Century Fox has finally come to an agreement with Redbox that puts that same 28 day window into place.

Starting with 'Avatar,' Redbox will be waiting four weeks from the release of a film before they start stocking them in kiosks. The result is that the consumer has to make a choice between spending some extra cash and waiting 28 days to rent the movie. In exchange, Redbox gets the benefit of a better pricing structure from Fox.

In the press release on the agreement, Redbox president Mitch Lowe let a bit of Blu-ray information slip. Blu-ray disks have only been tested in Redbox kiosks so far, but the company will be ramping things up soon.

"This agreement with Fox provides Redbox access to standard definition and Blu-ray titles, and helps us keep rental prices low," said Lowe. He also mentioned that it will "help support the rollout of Blu-ray titles in kiosks the middle of this year."